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Parkinson's Disease clinical trials

Directory of U.S. ClinicalTrials.gov public records for Parkinson's Disease. Browse Parkinson's Disease recruiting trials, filter by phase, sponsor, location, or intervention, and open the official ClinicalTrials.gov study record for each result.

By Clinical Trials Finder Guidance last reviewed June 10, 2026 Data synced October 14, 2026 Report an issue

ClinicalTrials.gov public records Last synced Oct 14, 2026, 3:32 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official matching trials
256
Shown on this page
12
Current sort
Recently updated
Condition scope
Parkinson's Disease
Additional filters apply within this condition.

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

How Parkinson's Disease studies are organized in the registry

Records generally use the registry spelling “Parkinson disease.” The portfolio mixes drug studies with a high share of device, exercise, and rehabilitation research, so the study-type filter is unusually useful here. Disease-stage language (“early,” “advanced,” “levodopa-treated”) commonly appears in titles.

Terms that often appear in related listings

These describe how studies tend to be titled and grouped on ClinicalTrials.gov — they are search vocabulary, not medical guidance.

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These controls apply only within Parkinson's Disease. Default order is Recently updated. Add location, sponsor, treatment, or recruitment status to narrow this condition page further.

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Showing 145–156 of 256 matching trials for Parkinson's Disease.
Live ClinicalTrials.gov results.
Local aggregate panels are unavailable or hidden for filtered views. The result list above identifies its data source.

Live official records

Open in full search
Conditions
Parkinson's Disease
Interventions
IPX066, IR CD-LD
Drug
Lead sponsor
Impax Laboratories, LLC
Industry
Eligibility
30 Years and older
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Hayward, California
Conditions
Parkinson's Disease
Interventions
IPX066
Drug
Lead sponsor
Impax Laboratories, LLC
Industry
Eligibility
30 Years and older
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
8
States / cities
Birmingham, Alabama • La Jolla, California • Sunnyvale, California + 5 more
Conditions
Parkinson's Disease
Interventions
CD-LD IR, IPX203 180 mg, IPX203 270 mg, Rytary 195 mg, Rytary 145 mg
Drug
Lead sponsor
Impax Laboratories, LLC
Industry
Eligibility
40 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
11
States / cities
Phoenix, Arizona • Little Rock, Arkansas • Fountain Valley, California + 8 more
Conditions
Idiopathic Parkinson's Disease
Interventions
IPX054 100 mg, IPX054 150 mg, IPX054 200 mg, IPX054 250 mg, IPX054 300 mg
Drug
Lead sponsor
Impax Laboratories, LLC
Industry
Eligibility
30 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
2
States / cities
Sunnyvale, California • Lawrence, Kansas
Conditions
Parkinson's Disease
Interventions
IPX054 200 mg, CD-LD IR, IPX054 Placebo, CD-LD IR Placebo
Drug
Lead sponsor
Impax Laboratories, LLC
Industry
Eligibility
30 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
2
States / cities
Chicago, Illinois • Charleston, South Carolina
Conditions
Parkinson's Disease
Interventions
IPX066, CLE
Drug
Lead sponsor
Impax Laboratories, LLC
Industry
Eligibility
30 Years and older
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
12
States / cities
Fresno, California • Sunnyvale, California • Miami, Florida + 9 more
Conditions
Idiopathic Parkinson's Disease
Interventions
IPX054 200 mg, IPX054 250 mg, CD-LD IR, CD-LD CR, IPX054 200 mg Placebo, IPX054 250 mg Placebo, CD-LD IR Placebo, CD-LD CR Placebo
Drug
Lead sponsor
Impax Laboratories, LLC
Industry
Eligibility
30 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
2
States / cities
Bingham Farms, Michigan • Portland, Oregon
Conditions
Parkinson's Disease
Interventions
Placebo, IPX066 95 mg LD, IPX066 145 mg LD, IPX066 195 mg LD, IPX066 245 mg LD
Drug
Lead sponsor
Impax Laboratories, LLC
Industry
Eligibility
30 Years and older
Enrollment
381 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
27
States / cities
Birmingham, Alabama • Phoenix, Arizona • Garden Grove, California + 22 more
Conditions
Idiopathic Parkinson's Disease
Interventions
CVT-301
Drug
Lead sponsor
Acorda Therapeutics
Industry
Eligibility
30 Years to 86 Years
Enrollment
325 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
55
States / cities
Scottsdale, Arizona • Fresno, California • Fullerton, California + 47 more
Conditions
Parkinson's Disease
Interventions
Deep Brain Stimulation, DBS surgery
Device · Procedure
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years and older
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
1
States / cities
Portland, Oregon
Conditions
Parkinson's Disease
Interventions
Accordion Pill™ Carbidopa/Levodopa, Sinemet®, Placebo -AP-CD/LD, Placebo- Sinemet
Drug
Lead sponsor
Intec Pharma Ltd.
Industry
Eligibility
30 Years and older
Enrollment
420 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
36
States / cities
Birmingham, Alabama • Phoenix, Arizona • Fountain Valley, California + 32 more
Conditions
Parkinson's Disease
Interventions
CVT-301, Sinemet
Drug
Lead sponsor
Acorda Therapeutics
Industry
Eligibility
30 Years to 85 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
5
States / cities
Long Beach, California • Hallandale, Florida • Orlando, Florida + 2 more

About this Parkinson's Disease clinical trials directory page

What this page lists
U.S. ClinicalTrials.gov public records that list Parkinson's Disease as a study condition, including recruiting, not yet recruiting, and active not recruiting trials across phase 1, phase 2, and phase 3.
How to narrow results
Use the filters above to scope by intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, age, or NCT ID within Parkinson's Disease.
Where the data comes from
Records are sourced from the official ClinicalTrials.gov public API. Each result links back to the official study page, which is the source of truth for eligibility, enrollment, and contact information.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, ranking of trials by quality, or AI-generated medical summaries.

Related: all condition pages, browse by drug or therapy, browse by U.S. city, browse by sponsor, or open the full search for Parkinson's Disease.